12th Class Chemistry Past Paper MCQS 2017 Group 2 Test Lahore Board

acetamide-is-prepared-by-3-a_-_heating-ammonium-acetate,benzene-cannot-undergo_-_eliminations-reactions,chlorine-heptoxide-28-cl-3-csub-3-e-2-3-c-2-fsub-3-eo-3-csub-3-e-7-3-c-2-fsub-3-e-29-reacts-with-water-to-form-3-a_-_perchloric-acid,for-mechanisms-2-c-the-first-step-involved-is-the-same_-_el-and-s-3-csub-3-en-3-c-2-fsub-3-e-2,keeping-in-view-the-size-of-atoms-2-c-which-order-is-the-correct-one-3-f_-_ba-26-gt-3-b-mg,phosphorus-helps-the-growth-of_-_seed,synthetic-rubber-is-made-by-polymerization-of_-_chloroprene,the-carbon-atom-of-a-carbonyl-group-is-3-a_-_sp-3-csup-3-e-2-3-c-2-fsup-3-e-hybridized,the-colour-of-transition-metal-complexes-is-due-to-3-a_-_d-d-transitions-of-electrons,the-main-pollutant-of-leather-tanneries-in-the-waste-water-is-due-to_-_chromium,the-oxides-of-beryllium-are-3-a_-_amphoteric,the-reaction-between-fat-and-na-oh-is_-_saponification,which-acid-is-used-in-the-manufacture-of-synthetic-fibre-3-f_-_acetic-acid,which-compound-is-called-universal-solvent-3-f_-_h-3-csub-3-e-2-3-c-2-fsub-3-eo,which-of-the-following-elements-has-the-highest-ionization-energy-3-a_-_n,which-of-the-following-elements-is-not-present-abundantly-in-earth-27-s-crust-3-f_-_sodium,which-set-of-hybrid-orbital-has-planner-triangular-shape-3-f_-_sp-3-csup-3-e-2-3-c-2-fsup-3-e